Union, WI housing market
Builders were permitted 9 new homes in 2025.
Home values, sales, trends and how Union compares with the towns next door — updated as new data is published.
9 new homes permitted in 2025
Builders were permitted 9 new homes in Union in 2025, all single-family houses, worth about $3.3 million to build. That's 8.5 per 1,000 residents, faster than across Wisconsin (4.3). Over the past 10 years, Union has permitted 58 homes in all.
Homes vs. people, 2010–2020
Between the 2010 and 2020 censuses, Union gained 6 residents while 38 new homes were permitted: about 0.2 new residents per new home. Building outpaced population growth, which usually means smaller households or homes used part of the year. 32% of Union's homes are seasonal or vacation homes, which adds housing without adding residents. Across Wisconsin: 1.3 new residents per new home.
Residents: U.S. Census Bureau, 2010 and 2020 censuses. New homes: permits issued 2010–2019.
Show as a table
| Year | New homes | Single-family | 2+ per building | Value |
|---|---|---|---|---|
| 2026 (Jan–Aug) | 7 | 7 | 0 | $3.4 million |
| 2025 | 9 | 9 | 0 | $3.3 million |
| 2024 | 7 | 7 | 0 | $2.9 million |
| 2023 | 6 | 6 | 0 | $3 million |
| 2022 | 6 | 6 | 0 | $4 million |
| 2021 | 7 | 7 | 0 | $2.3 million |
| 2020 | 5 | 5 | 0 | $1.5 million |
| 2019 | 2 | 2 | 0 | $351,000 |
| 2018 | 8 | 8 | 0 | $2.6 million |
| 2017 | 6 | 6 | 0 | $1.7 million |
| 2016 | 2 | 2 | 0 | $550,000 |
| 2015 | 4 | 4 | 0 | $941,000 |
| 2014 | 3 | 3 | 0 | $1.1 million |
| 2013 | 3 | 3 | 0 | $600,000 |
| 2012 | 4 | 4 | 0 | $758,000 |
| 2011 | 1 | 1 | 0 | $330,000 |
| 2010 | 5 | 5 | 0 | $1.2 million |
| 2009 | 4 | 4 | 0 | $1.3 million |
| 2008 | 6 | 6 | 0 | $1.9 million |
| 2007 | 8 | 8 | 0 | $1.6 million |
| 2006 | 5 | 5 | 0 | $1.9 million |
| 2005 | 6 | 6 | 0 | $1.3 million |
| 2004 | 10 | 10 | 0 | $1.9 million |
| 2003 | 17 | 17 | 0 | $3.2 million |
| 2002 | 9 | 9 | 0 | $1 million |
| 2001 | 13 | 13 | 0 | $1.6 million |
| 2000 | 15 | 15 | 0 | $2.3 million |
How Union ranks on new homes being built →
Homes authorized by building permits, counted in the year the permit was issued. U.S. Census Bureau, Building Permits Survey, through August 2026.
Union and its neighbors
| Town | Typical value | 1-yr change | 2-bed rent | New homes 2025 | Median income |
|---|---|---|---|---|---|
| Union | — | — | $1,120 | 9 | $121,111 |
| Red River | — | +3.5%† | $1,110 | 5 | $97,361 |
| Brussels | $387K | −2.4% | $1,100 | 1 | $100,700 |
| Gardner | — | — | $1,120 | 20 | $69,474 |
† FHFA price index change, where Zillow has no home value for the town.
3 years of income
The typical Union home costs about 3 years of the town's median household income, less than across Wisconsin (4.4 years).
How Union ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
A two-bedroom rents for about $1,120
HUD's Fair Market Rent for a two-bedroom in Union is $1,120 a month, utilities included: roughly what a modest, recently rented unit costs. Renters already in Union pay a median of $1,273. A two-bedroom takes about 11% of the town's median household income.
Studio $810 · 4 bedrooms $1,510
U.S. Department of Housing and Urban Development, FY2026 Fair Market Rents by ZIP code (54204, 54205, 54217; Door County, WI), weighted by land area. A Fair Market Rent is the 40th-percentile rent plus utilities for a standard unit. Median rent: U.S. Census Bureau, American Community Survey.
Home values: Zillow Home Value Index (ZHVI), Zillow Research. Sales, days on market and supply: Redfin Data Center. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. New homes: U.S. Census Bureau, Building Permits Survey. Fair Market Rents: U.S. Department of Housing and Urban Development. Listings link to their publishers.